Valve float is an adverse condition which can occur at high engine speeds when the poppet valves in an internal combustion engine valvetrain do not properly...

In spring-valve engines the traditional remedy for valve float is to stiffen the springs. This increases the seat pressure of the valve (the static...

A ballcock (also balltap or float valve) is a mechanism or machine for filling water tanks, such as those found in flush toilets, while avoiding overflow...

against the pressure in the cylinder. Use of automatic valves simplified the mechanism, but valve float limited the speed at which the engine could run, and...

to be a type of float chamber. A float chamber works by allowing liquid within the chamber to lift a float which is linked to a valve which regulates...

susceptible to valve float at high engine speeds (RPM). Constraints on valve quantity and location: OHC engines often have four valves per cylinder, whereas...

Look up float in Wiktionary, the free dictionary. Float may refer to: Lowboy (trailer), called a float in Eastern Canada usage Float (parade) Float (sculpture)...

open the valve. A related issue is valve float at high RPM, where the spring tension does not provide sufficient force to either keep the valve following...

carburettor. Note that the float valve of a carburettor (controlling the fuel level within the carburettor) is not a needle valve, although it is commonly...

power from higher RPM without the danger of valve float. Some engines are designed to open each intake valve at a slightly different time, which increases...

rocker arm, and closed by a coiled spring called a valve spring. Valve float occurs when the valve spring is unable to control the inertia of the valvetrain...

water, the float moves upwards and closes the valve. If air collects in the valve body, the waterline lowers, as does the float, and the valve opens to...

discharged through a "toilet flapper valve" (not to be confused with a type of check valve), or through a siphon. A float usually controls the refilling device...

media related to Ball valves. Butterfly valve Control valve Gate valve Globe valve Hydrogen valve Needle valve Pinch valve Piston valve Plastic pressure pipe...

reserved the desmodromic valve heads for its higher performance bikes and its race bikes. These valves do not suffer from valve float at high engine speeds...

which traditional poppet valves with springs can fail due to valve float and spring resonance and where the desmodromic valve gear is too heavy, large...

quickly, valve springs cannot act quickly enough to close the valves. This is commonly referred to as 'valve float', and it can result in piston to valve contact...

hydraulic lifters, switched to solid lifters in 1970 models to minimize valve float at high RPMs; the dual exhaust system was improved, but rated power stayed...

valvetrain may occur when a valve stays open longer than usual. Valve float can possibly result in loss of compression, misfire, or a valve and piston colliding...

through a valve, they are much less dense than water because they are composed mainly of air, surrounded by a thin layer of synthetic material. Float-assisted...

The sleeve valve is a type of valve mechanism for piston engines, distinct from the usual poppet valve. Sleeve valve engines saw use in a number of pre–World...

it refills. In all cases, the valve itself is attached to a sensor, such as a float switch or similar system where float attached to the desired length...

in an OHC engine. This reduced inertia in OHC engines results in less valve float at higher engine speeds (RPM). A downside is that the system used to...

used to ensure satisfactory zone isolation is obtained. Float Shoes and Collars (float valves) prevent backflow after the cement has been pumped into...

some cases to prevent overrevving and the consequences of it, such as valve float and connecting rod failure. Primers may be used to help start the engine...

redlines is valve float. At high speeds, the valve spring simply cannot keep the tappet or roller on the camshaft. After the valve opens, the valve spring...

manifold. Under full throttle and light load, other effects (such as valve float, turbulence in the cylinders, or ignition timing) limit engine speed...

"float chamber" or "float bowl". Fuel is delivered to the float chamber by a fuel pump. A floating inlet valve regulates the fuel entering the float chamber...

operating speeds the valves do not completely close before the cam opens them again, a problem called "valve float". Valve float allows gases in the cylinder...

A valve is a device or natural object that regulates, directs or controls the flow of a fluid (gases, liquids, fluidized solids, or slurries) by opening...